package com.j2medev.chapter3.image;

import javax.microedition.lcdui.Canvas;
import javax.microedition.lcdui.Graphics;
import javax.microedition.lcdui.Image;

public class ImageCanvas extends Canvas{
    
    private Image src = null;
  
    public ImageCanvas(Image img) {
        this.src = img;
    }
    
    public void paint(Graphics g){
        //清除背景
        int color = g.getColor();
        g.setColor(0xFFFFFF);
        g.fillRect(0,0, getWidth(),getHeight());
        g.setColor(color);
        if(src != null){
            g.drawImage(src, getWidth()/2,getHeight()/2, Graphics.VCENTER|Graphics.HCENTER);
        }
    }
}